linux-kernel - Re: Reiser4 Inclusion

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Message-ID: <81b0412b0607170738k1461f263lc4fbead1eda31d16@mail.gmail.com>
Date:	Mon, 17 Jul 2006 16:38:34 +0200
From:	"Alex Riesen" <raa.lkml@...il.com>
To:	"Caleb Gray" <caleb@...ebgray.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Reiser4 Inclusion

On 7/17/06, Caleb Gray <caleb@...ebgray.com> wrote:
> Reiser4's responsiveness is undoubtedly at least twice as fast as ext3.
> I have deployed two nearly identical servers in Florida (I live in
> Washington state) but one difference: one uses ext3 and the other
> reiser4. The ping time of the reiser4 server is (on average) 20ms faster
> than the ext3 server.

While it is possible (by reiser4 loading the system less) that filesystem
affects network subsystem, it is highly unlikely and usually a sign of
problems elsewhere.

> It has maintained this speed for the past two
> years against the ext3 server even with aging hardware and bulking file
> and directory structures. (Both of the filesystems have slowed down at a
> similar pace for the duration of their lifetime [about 15ms].)

especially so if the difference lies in 5 ms range.
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